[93: Proposal for key principles of a Quality Framework for Early Childhood Education and Care, report of the Working Group on Early Childhood Education and Care under the auspices of the European Commission, http://ec.europa.eu/dgs/education_culture/repository/education/policy/strategic-framework/archive/documents/ecec-quality-framework_en.pdf.]
[93: "Proposal for key principles of a Quality Framework for Early Childhood Education and Care", verslag van de Werkgroep opvang en onderwijs voor jongere kinderen onder auspiciën van de Europese Commissie: http://ec.europa.eu/dgs/education_culture/repository/education/policy/strategic-framework/archive/documents/ecec-quality-framework_en.pdf]